Ten Hag said: "Every game we have to win, so every game is a must-need."
On Garnacho, he said: "He's progressing very well and we are very pleased with this. His contribution today was huge, his runs, his dribbles. It's attractive as well for the audience, obviously we want to show something. I think well-deserved penalties."
Pleased with the performance, he continued: "In areas yes, especially with our attacks and counter-attacks, but we can make better choices to rest on the ball, choosing when to break. We could have scored three or four goals not just the two penalties. We defended quite well, we could have been a bit better in the build-up.
"We could have been calmer and more composed on the ball. Everton did well and pressed high which gave us lots of chances in behind."
On Rashford, he added: "He's good in the game, good in the team. It shows the team spirit. Bruno took the first but we have more very good penalty takers. In this moment he is good, in the team, and he is a threat.
"We defended very well. Our expected goals is much higher than them. We are defending low quality chances. Sometimes we are defending very low and we can do that very well.
"It was important. We had one bad result against Fulham in this calendar year. We had to put this right and keep the pressure on the teams above us. There are many games to play. Now we are back. We will keep pressure on them and see what happens."